Manley Severe Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.522 in Long - Big Block Chevy - Set of 8 11845-8 DNA02301 ┬╜ NPT

┬╜ NPT

Carbureted engines: GAS Up to 3600 FWHP - naturally aspirated Up to 2700 FWHP - forced air induction

reducing turbo lag

you will need the PN 8910 Tach Adapter

130 in Bore

Manley Severe Duty Exhaust Valve - 1.880 in Head - 0.342 in Valve Stem - 5.522 in Long - Big Block Chevy - Set of 8 11845-8 DNA02301 ┬╜ NPTProduct Description: Exhaust Valve Severe Duty 1. 880 in Head 0. 342 in Valve Stem 5. 522 in Long Stainless Big Block Chevy Set of 8 Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the forefront of the high performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown University, our